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openmpi/ompi/mpi/c/rsend_init.c
2008-02-12 18:01:17 +00:00

93 строки
3.1 KiB
C

/*
* Copyright (c) 2004-2007 The Trustees of Indiana University and Indiana
* University Research and Technology
* Corporation. All rights reserved.
* Copyright (c) 2004-2005 The University of Tennessee and The University
* of Tennessee Research Foundation. All rights
* reserved.
* Copyright (c) 2004-2008 High Performance Computing Center Stuttgart,
* University of Stuttgart. All rights reserved.
* Copyright (c) 2004-2005 The Regents of the University of California.
* All rights reserved.
* Copyright (c) 2006 Cisco Systems, Inc. All rights reserved.
* $COPYRIGHT$
*
* Additional copyrights may follow
*
* $HEADER$
*/
#include "ompi_config.h"
#include <stdio.h>
#include "ompi/mpi/c/bindings.h"
#include "ompi/mca/pml/pml.h"
#include "ompi/request/request.h"
#include "ompi/memchecker.h"
#if OMPI_HAVE_WEAK_SYMBOLS && OMPI_PROFILING_DEFINES
#pragma weak MPI_Rsend_init = PMPI_Rsend_init
#endif
#if OMPI_PROFILING_DEFINES
#include "ompi/mpi/c/profile/defines.h"
#endif
static const char FUNC_NAME[] = "MPI_Rsend_init";
int MPI_Rsend_init(void *buf, int count, MPI_Datatype type,
int dest, int tag, MPI_Comm comm,
MPI_Request *request)
{
int rc;
MEMCHECKER(
memchecker_datatype(type);
memchecker_call(&opal_memchecker_base_isdefined, buf, count, type);
memchecker_comm(comm);
);
OPAL_CR_TEST_CHECKPOINT_READY();
OPAL_CR_TEST_CHECKPOINT_READY();
if ( MPI_PARAM_CHECK ) {
rc = MPI_SUCCESS;
OMPI_ERR_INIT_FINALIZE(FUNC_NAME);
if (ompi_comm_invalid(comm)) {
return OMPI_ERRHANDLER_INVOKE(MPI_COMM_WORLD, MPI_ERR_COMM, FUNC_NAME);
} else if (count < 0) {
rc = MPI_ERR_COUNT;
} else if (MPI_DATATYPE_NULL == type || NULL == type) {
rc = MPI_ERR_TYPE;
} else if (tag < 0 || tag > mca_pml.pml_max_tag) {
rc = MPI_ERR_TAG;
} else if (ompi_comm_peer_invalid(comm, dest) &&
(MPI_PROC_NULL != dest)) {
rc = MPI_ERR_RANK;
} else if (request == NULL) {
rc = MPI_ERR_REQUEST;
}
OMPI_ERRHANDLER_CHECK(rc, comm, rc, FUNC_NAME);
}
if (MPI_PROC_NULL == dest) {
*request = OBJ_NEW(ompi_request_t);
/* Other fields were initialized by the constructor for
ompi_request_t */
(*request)->req_type = OMPI_REQUEST_NOOP;
(*request)->req_status = ompi_request_empty.req_status;
(*request)->req_complete = true;
(*request)->req_state = OMPI_REQUEST_INACTIVE;
(*request)->req_persistent = true;
(*request)->req_free = ompi_request_persistent_proc_null_free;
return MPI_SUCCESS;
}
/*
* Here, we just initialize the request -- memchecker should set the buffer in MPI_Start.
*/
rc = MCA_PML_CALL(isend_init(buf,count,type,dest,tag,
MCA_PML_BASE_SEND_READY,comm,request));
OMPI_ERRHANDLER_RETURN(rc, comm, rc, FUNC_NAME);
}